Emulsifiers homogeneous e faʻaaogaina i le tele o faʻalapotopotoga, e pei o faʻapipiʻi, vali ma ufiufi, mea teuteu, meaʻai, vailaʻau, palasitika resini, lolomi ma vali, asphalt ma isi galuega e faʻaaogaina lautele.Kemikolo lelei: palasitika, faʻatumu, faʻapipiʻi, resin...
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